GeneExpressionSignature
                        Gene Expression Signature based Similarity
                        Metric
RankMerging             Merging the ranker lists with the same labels
                        of the biological states into a single list
                        with the Iorio's method
ScoreGSEA               Compute pairwise distances between samples with
                        method in package GSEA
ScorePGSEA              Compute pairwise distances between samples with
                        method in package PGSEA
SignatureDistance       Compute pairwise distances comprehensively
exampleSet              sample data, a subset of the C-MAP
getRLs                  Convert gene expression profiles to a ranked
                        list
